The Cummins 6CTA 8.3 Marine Engine Story

The Cummins marine version of the 6CTA 8.3 has evolved through many versions and horsepower ratings since it was released in the early 1990’s (about 24 years ago) as a 6CTA 8.3M-1 ā€œ300Cā€, but all of them still share the … Read More

A Much Better Cummins Marine 6CTA 8.3 Gear Cooler Location

Placing the gear oil cooler in place of the factory fuel cooler accomplishes a couple things… #1 you remove the fuel cooler which, if you haven’t read the fuel cooler article, here it is: Understanding Marine Fuel Coolers The other is … Read More

Heater Hookup Ports for Your B & C Series Cummins

Above C series coolant return lines.  Tee into either of these with a standard Brass Pipe Tee. The larger lower line will yield a higher flow.